Pregnancy/PMS question

Hi Ladies,

I was due for my period 2 days ago and I am cramping as if it’s coming. I’ve had sore breast which I know is a symptom for both pregnancy and PMS. I took two pregnancy test- one 2 days prior to the day my period was supposed to come and one 6 days prior to my period (BOTH negative). I haven’t wanted to take any other ones because of the disappointment of the negative results. My question is, is it normal for me to be experiencing cramps during the days I am supposed to be on my period if I am pregnant?

Thanks in advance